Offline Frequency Response Estimation

Simulink
Control Design™ software has both command-line tools and a graphical Linear
Analysis Tool for estimating the frequency response of a system modeled in
Simulink, without modifying the model. You can use the estimated response
to validate exact linearization results, analyze linear model dynamics, or
estimate parametric models. For more information about frequency response
estimation, see Frequency Response Estimation Basics.

Frequency response estimation requires an input signal at the linearization
input point to excite the model at the frequencies of interest. For more
information, see Estimation Input Signals.

Model Checks

Topics

Frequency Response Estimation Basics

A frequency response describes the steady-state response of a system to sinusoidal
inputs. Simulink
Control Design lets you estimate the frequency response of a model or perform online
estimation of a physical plant.

Estimation Input Signals

For frequency response estimation, the software injects an input signal and measures
the response. You can use predefined signal types such as sinestream or chirp signals, or
create an arbitrary input signal.